Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415659 | Method for mashing starch-rich material for alcohol production | Pentti P. Ronkainen, Kai Harju, Pertti J. Erapolku | 1983-11-15 |
| 4207276 | Easily maintained bubble-cap column for the distillation of clogging and high-sediment liquids | Pentti P. Ronkainen, Kyosti T. Vento, Heimo K. Pesonen | 1980-06-10 |